Riverside Door & Trim
Riverside Door & Trim Inc. was established in May of 2005, but our roots go back much further. Our sister company (GSM Carpentry Ltd.) was established in 1983. We have a very strong reputation in the residential construction community in south-western Ontario and continue to build on this reputation every day. We are a family owned and operated business with over 50 years experience between the three owners. Riverside Door & Trim Inc. is an expansion of GSM with a showroom & manufacturing facility/warehouse & is the only full service "Supply & Install" Trim operation in Southwestern Ontario. Although many of our customers take advantage of our supply and install service, we also supply materials to the do it yourself-er, contractor or customers who have their own contractor. We also offer many in house custom manufactured products that the competitor does not with great lead times.